Which of the following solutions is alkaline?

A

$$[H^+] < 1 \times 10^{-7}  MOI/I$$

B

$$[H^+] = 1 \times 10^{-4}  MOI/I$$

C

$$[H^+] = 1 \times 10^{-7}  MOI/I$$

D

$$[H^+] > 1 \times 10^{-7}  MOI/I$$